using System;
using System.Windows.Forms;
using PKHeX.Core;

namespace PKHeX.WinForms;

public partial class SAV_SimplePokedex : Form
{
    private readonly SaveFile Origin;
    private readonly SaveFile SAV;

    public SAV_SimplePokedex(SaveFile sav)
    {
        InitializeComponent();
        WinFormsUtil.TranslateInterface(this, Main.CurrentLanguage);
        SAV = (Origin = sav).Clone();
        seen = new bool[SAV.MaxSpeciesID];
        caught = new bool[SAV.MaxSpeciesID];

        var speciesNames = GameInfo.Strings.specieslist;
        for (int i = 0; i < seen.Length; i++)
        {
            ushort species = (ushort)(i + 1);
            seen[i] = SAV.GetSeen(species);
            caught[i] = SAV.GetCaught(species);
            CLB_Seen.Items.Add(speciesNames[species]);
            CLB_Caught.Items.Add(speciesNames[species]);
            CLB_Seen.SetItemChecked(i, seen[i]);
            CLB_Caught.SetItemChecked(i, caught[i]);
        }
        initialized = true;
    }

    private readonly bool[] seen;
    private readonly bool[] caught;
    private readonly bool initialized;

    private void B_Save_Click(object sender, EventArgs e)
    {
        for (int i = 0; i < seen.Length; i++)
        {
            ushort species = (ushort)(i + 1);
            SAV.SetSeen(species, seen[i]);
            SAV.SetCaught(species, caught[i]);
        }
        Origin.CopyChangesFrom(SAV);
        Close();
    }

    private void B_Cancel_Click(object sender, EventArgs e)
    {
        Close();
    }

    private void B_SeenAll_Click(object sender, EventArgs e)
    {
        for (int i = 0; i < SAV.MaxSpeciesID; i++)
            CLB_Seen.SetItemChecked(i, true);
    }

    private void B_SeenNone_Click(object sender, EventArgs e)
    {
        for (int i = 0; i < SAV.MaxSpeciesID; i++)
            CLB_Seen.SetItemChecked(i, false);
    }

    private void B_CaughtAll_Click(object sender, EventArgs e)
    {
        for (int i = 0; i < SAV.MaxSpeciesID; i++)
            CLB_Caught.SetItemChecked(i, true);
    }

    private void B_CaughtNone_Click(object sender, EventArgs e)
    {
        for (int i = 0; i < SAV.MaxSpeciesID; i++)
            CLB_Caught.SetItemChecked(i, false);
    }

    private void CLB_Seen_ItemCheck(object sender, ItemCheckEventArgs e)
    {
        if (!initialized)
            return;
        seen[e.Index] = e.NewValue == CheckState.Checked;
    }

    private void CLB_Caught_ItemCheck(object sender, ItemCheckEventArgs e)
    {
        if (!initialized)
            return;
        caught[e.Index] = e.NewValue == CheckState.Checked;
    }
}